Παραπομπή σε μορφή APA (7η εκδ.)

Grabel, G. (2011). Wealth opportunities in commercial real estate: Management, financing and marketing of investment properties. Wiley. https://doi.org/10.1002/9781119202790

Παραπομπή σε μορφή Chicago (17η εκδ.)

Grabel, Gary. Wealth Opportunities in Commercial Real Estate: Management, Financing and Marketing of Investment Properties. Hoboken, N.J.: Wiley, 2011. https://doi.org/10.1002/9781119202790.

Παραπομπή σε μορφή MLA (8th εκδ.)

Grabel, Gary. Wealth Opportunities in Commercial Real Estate: Management, Financing and Marketing of Investment Properties. Wiley, 2011. https://doi.org/10.1002/9781119202790.